Highly-precise comparison of mercury and strontium optical lattice clocks
Monday, June 29, 2015 - 10:00
in Physics & Chemistry
Scientists have developed a mercury-based optical lattice clock and measured the mercury clock frequency using the same group's recently developed strontium-based optical lattice clock as a reference. The research group achieved a fractional frequency uncertainty, which is smaller than the realization of the current international standard definition of the second.